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-rw-r--r--parser/html/nsHtml5TokenizerCppSupplement.h494
1 files changed, 494 insertions, 0 deletions
diff --git a/parser/html/nsHtml5TokenizerCppSupplement.h b/parser/html/nsHtml5TokenizerCppSupplement.h
new file mode 100644
index 0000000000..b5bb2aec6b
--- /dev/null
+++ b/parser/html/nsHtml5TokenizerCppSupplement.h
@@ -0,0 +1,494 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/CheckedInt.h"
+#include "mozilla/Likely.h"
+
+// INT32_MAX is (2^31)-1. Therefore, the highest power-of-two that fits
+// is 2^30. Note that this is counting char16_t units. The underlying
+// bytes will be twice that, but they fit even in 32-bit size_t even
+// if a contiguous chunk of memory of that size is pretty unlikely to
+// be available on a 32-bit system.
+#define MAX_POWER_OF_TWO_IN_INT32 0x40000000
+
+bool nsHtml5Tokenizer::EnsureBufferSpace(int32_t aLength) {
+ MOZ_RELEASE_ASSERT(aLength >= 0, "Negative length.");
+ if (aLength > MAX_POWER_OF_TWO_IN_INT32) {
+ // Can't happen when loading from network.
+ return false;
+ }
+ mozilla::CheckedInt<int32_t> worstCase(strBufLen);
+ worstCase += aLength;
+ worstCase += charRefBufLen;
+ // Add 2 to account for emissions of LT_GT, LT_SOLIDUS and RSQB_RSQB.
+ // Adding to the general worst case instead of only the
+ // TreeBuilder-exposed worst case to avoid re-introducing a bug when
+ // unifying the tokenizer and tree builder buffers in the future.
+ worstCase += 2;
+ if (!worstCase.isValid()) {
+ return false;
+ }
+ if (worstCase.value() > MAX_POWER_OF_TWO_IN_INT32) {
+ return false;
+ }
+ // TODO: Unify nsHtml5Tokenizer::strBuf and nsHtml5TreeBuilder::charBuffer
+ // so that the call below becomes unnecessary.
+ if (!tokenHandler->EnsureBufferSpace(worstCase.value())) {
+ return false;
+ }
+ if (!strBuf) {
+ if (worstCase.value() < MAX_POWER_OF_TWO_IN_INT32) {
+ // Add one to round to the next power of two to avoid immediate
+ // reallocation once there are a few characters in the buffer.
+ worstCase += 1;
+ }
+ strBuf = jArray<char16_t, int32_t>::newFallibleJArray(
+ mozilla::RoundUpPow2(worstCase.value()));
+ if (!strBuf) {
+ return false;
+ }
+ } else if (worstCase.value() > strBuf.length) {
+ jArray<char16_t, int32_t> newBuf =
+ jArray<char16_t, int32_t>::newFallibleJArray(
+ mozilla::RoundUpPow2(worstCase.value()));
+ if (!newBuf) {
+ return false;
+ }
+ memcpy(newBuf, strBuf, sizeof(char16_t) * size_t(strBufLen));
+ strBuf = newBuf;
+ }
+ return true;
+}
+
+bool nsHtml5Tokenizer::TemplatePushedOrHeadPopped() {
+ if (encodingDeclarationHandler) {
+ return encodingDeclarationHandler->TemplatePushedOrHeadPopped();
+ }
+ return false;
+}
+
+void nsHtml5Tokenizer::RememberGt(int32_t aPos) {
+ if (encodingDeclarationHandler) {
+ return encodingDeclarationHandler->RememberGt(aPos);
+ }
+}
+
+void nsHtml5Tokenizer::StartPlainText() {
+ stateSave = nsHtml5Tokenizer::PLAINTEXT;
+}
+
+void nsHtml5Tokenizer::EnableViewSource(nsHtml5Highlighter* aHighlighter) {
+ mViewSource = mozilla::WrapUnique(aHighlighter);
+}
+
+bool nsHtml5Tokenizer::ShouldFlushViewSource() {
+ return mViewSource->ShouldFlushOps();
+}
+
+mozilla::Result<bool, nsresult> nsHtml5Tokenizer::FlushViewSource() {
+ return mViewSource->FlushOps();
+}
+
+void nsHtml5Tokenizer::StartViewSource(const nsAutoString& aTitle) {
+ mViewSource->Start(aTitle);
+}
+
+void nsHtml5Tokenizer::StartViewSourceCharacters() {
+ mViewSource->StartCharacters();
+}
+
+[[nodiscard]] bool nsHtml5Tokenizer::EndViewSource() {
+ return mViewSource->End();
+}
+
+void nsHtml5Tokenizer::SetViewSourceOpSink(nsAHtml5TreeOpSink* aOpSink) {
+ mViewSource->SetOpSink(aOpSink);
+}
+
+void nsHtml5Tokenizer::RewindViewSource() { mViewSource->Rewind(); }
+
+void nsHtml5Tokenizer::errWarnLtSlashInRcdata() {}
+
+// The null checks below annotated MOZ_LIKELY are not actually necessary.
+
+void nsHtml5Tokenizer::errUnquotedAttributeValOrNull(char16_t c) {
+ if (MOZ_LIKELY(mViewSource)) {
+ switch (c) {
+ case '<':
+ mViewSource->AddErrorToCurrentNode("errUnquotedAttributeLt");
+ return;
+ case '`':
+ mViewSource->AddErrorToCurrentNode("errUnquotedAttributeGrave");
+ return;
+ case '\'':
+ case '"':
+ mViewSource->AddErrorToCurrentNode("errUnquotedAttributeQuote");
+ return;
+ case '=':
+ mViewSource->AddErrorToCurrentNode("errUnquotedAttributeEquals");
+ return;
+ }
+ }
+}
+
+void nsHtml5Tokenizer::errLtOrEqualsOrGraveInUnquotedAttributeOrNull(
+ char16_t c) {
+ if (MOZ_LIKELY(mViewSource)) {
+ switch (c) {
+ case '=':
+ mViewSource->AddErrorToCurrentNode("errUnquotedAttributeStartEquals");
+ return;
+ case '<':
+ mViewSource->AddErrorToCurrentNode("errUnquotedAttributeStartLt");
+ return;
+ case '`':
+ mViewSource->AddErrorToCurrentNode("errUnquotedAttributeStartGrave");
+ return;
+ }
+ }
+}
+
+void nsHtml5Tokenizer::errBadCharBeforeAttributeNameOrNull(char16_t c) {
+ if (MOZ_LIKELY(mViewSource)) {
+ if (c == '<') {
+ mViewSource->AddErrorToCurrentNode("errBadCharBeforeAttributeNameLt");
+ } else if (c == '=') {
+ errEqualsSignBeforeAttributeName();
+ } else if (c != 0xFFFD) {
+ errQuoteBeforeAttributeName(c);
+ }
+ }
+}
+
+void nsHtml5Tokenizer::errBadCharAfterLt(char16_t c) {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errBadCharAfterLt");
+ }
+}
+
+void nsHtml5Tokenizer::errQuoteOrLtInAttributeNameOrNull(char16_t c) {
+ if (MOZ_LIKELY(mViewSource)) {
+ if (c == '<') {
+ mViewSource->AddErrorToCurrentNode("errLtInAttributeName");
+ } else if (c != 0xFFFD) {
+ mViewSource->AddErrorToCurrentNode("errQuoteInAttributeName");
+ }
+ }
+}
+
+void nsHtml5Tokenizer::maybeErrAttributesOnEndTag(
+ nsHtml5HtmlAttributes* attrs) {
+ if (mViewSource && attrs->getLength() != 0) {
+ /*
+ * When an end tag token is emitted with attributes, that is a parse
+ * error.
+ */
+ mViewSource->AddErrorToCurrentRun("maybeErrAttributesOnEndTag");
+ }
+}
+
+void nsHtml5Tokenizer::maybeErrSlashInEndTag(bool selfClosing) {
+ if (mViewSource && selfClosing && endTag) {
+ mViewSource->AddErrorToCurrentSlash("maybeErrSlashInEndTag");
+ }
+}
+
+char16_t nsHtml5Tokenizer::errNcrNonCharacter(char16_t ch) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNcrNonCharacter");
+ }
+ return ch;
+}
+
+void nsHtml5Tokenizer::errAstralNonCharacter(int32_t ch) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNcrNonCharacter");
+ }
+}
+
+char16_t nsHtml5Tokenizer::errNcrControlChar(char16_t ch) {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNcrControlChar");
+ }
+ return ch;
+}
+
+void nsHtml5Tokenizer::errGarbageAfterLtSlash() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errGarbageAfterLtSlash");
+ }
+}
+
+void nsHtml5Tokenizer::errLtSlashGt() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errLtSlashGt");
+ }
+}
+
+void nsHtml5Tokenizer::errCharRefLacksSemicolon() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errCharRefLacksSemicolon");
+ }
+}
+
+void nsHtml5Tokenizer::errNoDigitsInNCR() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNoDigitsInNCR");
+ }
+}
+
+void nsHtml5Tokenizer::errGtInSystemId() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errGtInSystemId");
+ }
+}
+
+void nsHtml5Tokenizer::errGtInPublicId() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errGtInPublicId");
+ }
+}
+
+void nsHtml5Tokenizer::errNamelessDoctype() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNamelessDoctype");
+ }
+}
+
+void nsHtml5Tokenizer::errConsecutiveHyphens() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errConsecutiveHyphens");
+ }
+}
+
+void nsHtml5Tokenizer::errPrematureEndOfComment() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errPrematureEndOfComment");
+ }
+}
+
+void nsHtml5Tokenizer::errBogusComment() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errBogusComment");
+ }
+}
+
+void nsHtml5Tokenizer::errSlashNotFollowedByGt() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentSlash("errSlashNotFollowedByGt");
+ }
+}
+
+void nsHtml5Tokenizer::errNoSpaceBetweenAttributes() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNoSpaceBetweenAttributes");
+ }
+}
+
+void nsHtml5Tokenizer::errAttributeValueMissing() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errAttributeValueMissing");
+ }
+}
+
+void nsHtml5Tokenizer::errEqualsSignBeforeAttributeName() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errEqualsSignBeforeAttributeName");
+ }
+}
+
+void nsHtml5Tokenizer::errLtGt() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errLtGt");
+ }
+}
+
+void nsHtml5Tokenizer::errProcessingInstruction() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errProcessingInstruction");
+ }
+}
+
+void nsHtml5Tokenizer::errUnescapedAmpersandInterpretedAsCharacterReference() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentAmpersand(
+ "errUnescapedAmpersandInterpretedAsCharacterReference");
+ }
+}
+
+void nsHtml5Tokenizer::errNotSemicolonTerminated() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNotSemicolonTerminated");
+ }
+}
+
+void nsHtml5Tokenizer::errNoNamedCharacterMatch() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentAmpersand("errNoNamedCharacterMatch");
+ }
+}
+
+void nsHtml5Tokenizer::errQuoteBeforeAttributeName(char16_t c) {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errQuoteBeforeAttributeName");
+ }
+}
+
+void nsHtml5Tokenizer::errExpectedPublicId() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errExpectedPublicId");
+ }
+}
+
+void nsHtml5Tokenizer::errBogusDoctype() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errBogusDoctype");
+ }
+}
+
+void nsHtml5Tokenizer::errNcrSurrogate() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNcrSurrogate");
+ }
+}
+
+void nsHtml5Tokenizer::errNcrCr() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNcrCr");
+ }
+}
+
+void nsHtml5Tokenizer::errNcrInC1Range() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNcrInC1Range");
+ }
+}
+
+void nsHtml5Tokenizer::errEofInPublicId() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEofInPublicId");
+ }
+}
+
+void nsHtml5Tokenizer::errEofInComment() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEofInComment");
+ }
+}
+
+void nsHtml5Tokenizer::errEofInDoctype() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEofInDoctype");
+ }
+}
+
+void nsHtml5Tokenizer::errEofInAttributeValue() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEofInAttributeValue");
+ }
+}
+
+void nsHtml5Tokenizer::errEofInAttributeName() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEofInAttributeName");
+ }
+}
+
+void nsHtml5Tokenizer::errEofWithoutGt() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEofWithoutGt");
+ }
+}
+
+void nsHtml5Tokenizer::errEofInTagName() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEofInTagName");
+ }
+}
+
+void nsHtml5Tokenizer::errEofInEndTag() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEofInEndTag");
+ }
+}
+
+void nsHtml5Tokenizer::errEofAfterLt() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEofAfterLt");
+ }
+}
+
+void nsHtml5Tokenizer::errNcrOutOfRange() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNcrOutOfRange");
+ }
+}
+
+void nsHtml5Tokenizer::errNcrUnassigned() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNcrUnassigned");
+ }
+}
+
+void nsHtml5Tokenizer::errDuplicateAttribute() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errDuplicateAttribute");
+ }
+}
+
+void nsHtml5Tokenizer::errEofInSystemId() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentRun("errEofInSystemId");
+ }
+}
+
+void nsHtml5Tokenizer::errExpectedSystemId() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errExpectedSystemId");
+ }
+}
+
+void nsHtml5Tokenizer::errMissingSpaceBeforeDoctypeName() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errMissingSpaceBeforeDoctypeName");
+ }
+}
+
+void nsHtml5Tokenizer::errNestedComment() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNestedComment");
+ }
+}
+
+void nsHtml5Tokenizer::errNcrControlChar() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNcrControlChar");
+ }
+}
+
+void nsHtml5Tokenizer::errNcrZero() {
+ if (MOZ_UNLIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNcrZero");
+ }
+}
+
+void nsHtml5Tokenizer::errNoSpaceBetweenDoctypeSystemKeywordAndQuote() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode(
+ "errNoSpaceBetweenDoctypeSystemKeywordAndQuote");
+ }
+}
+
+void nsHtml5Tokenizer::errNoSpaceBetweenPublicAndSystemIds() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode("errNoSpaceBetweenPublicAndSystemIds");
+ }
+}
+
+void nsHtml5Tokenizer::errNoSpaceBetweenDoctypePublicKeywordAndQuote() {
+ if (MOZ_LIKELY(mViewSource)) {
+ mViewSource->AddErrorToCurrentNode(
+ "errNoSpaceBetweenDoctypePublicKeywordAndQuote");
+ }
+}